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What does it mean for a matrix to be triangular?
A square matrix in which all the entries of the main diagonal are zero
What is term for square matrix with zero determinant?
diagonal
Example of commutative matrix?
The identity matrix, which is a square matrix with zeros everywhere except on the principal diagonal where they are all ones.
What is the minor of determinant?
The minor is the determinant of the matrix constructed by removing the row and column of a particular element. Thus, the minor of a34 is the determinant of the matrix which has all the same rows and columns, except for the 3rd row and 4th column.
What is the definition of a Hermitian matrix?
Hermitian matrix defined:If a square matrix, A, is equal to its conjugate transpose, A†, then A is a Hermitian matrix.Notes:1. The main diagonal elements of a Hermitian matrix must be real.2. The cross elements of a Hermitian matrix are complex numbers having equal real part values, and equal-in-magnitude-but-opposite-in-sign imaginary parts.
